Module Name: src
Committed By: riastradh
Date: Thu Aug 15 11:33:21 UTC 2024
Modified Files:
src/sys/uvm: uvm_map.c
Log Message:
uvm_map(9): Apply the same orig_hint clamp again to the same entry.
Previous change dealt with case like length=0x1000 and:
[0x7defb000,0x7defc000) entry above orig_hint (entry->next)
0x77895000 orig_hint
[0x77894000,0x77895000) entry below orig_hint (entry)
by changing
entry->next->start - length
to
MIN(orig_hint, entry->next->start - length)
in order to enforce monotonicity of search.
In this case, if the tree search for a gap has failed, we retry with
a list search with exactly the same orig_hint and entry -- nothing
has changed them (only hint and tmp). So apply the same clamping.
PR kern/51254: uvm assertion "!topdown || hint <= orig_hint" failed
To generate a diff of this commit:
cvs rdiff -u -r1.424 -r1.425 src/sys/uvm/uvm_map.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
